126607655966243 has 2 divisors, whose sum is σ = 126607655966244. Its totient is φ = 126607655966242.

The previous prime is 126607655966201. The next prime is 126607655966299. The reversal of 126607655966243 is 342669556706621.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 126607655966243 - 2²⁴ = 126607639189027 is a prime.

It is not a weakly prime, because it can be changed into another prime (126607655962243) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 63303827983121 + 63303827983122.

It is an arithmetic number, because the mean of its divisors is an integer number (63303827983122).

Almost surely, 2^{126607655966243} is an apocalyptic number.

126607655966243 is a deficient number, since it is larger than the sum of its proper divisors (1).

126607655966243 is an equidigital number, since it uses as much as digits as its factorization.

126607655966243 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 587865600, while the sum is 68.

The spelling of 126607655966243 in words is "one hundred twenty-six trillion, six hundred seven billion, six hundred fifty-five million, nine hundred sixty-six thousand, two hundred forty-three".